package edu.ccut.saturn.basevalidate.prvalidate;

import edu.ccut.saturn.component.DefaultSaturnValidate;
import edu.ccut.saturn.component.ValidateResult;

public class IsUrlValidate extends DefaultSaturnValidate {

	private static final String urlRegExpr = "^((https|http|ftp|rtsp|mms)?://)" 
	    + "?(([0-9a-zA-Z_!~*'().&=+$%-]+: )?[0-9a-zA-Z_!~*'().&=+$%-]+@)?" //ftp的user@ 
        + "(([0-9]{1,3}\\.){3}[0-9]{1,3}" // IP形式的URL- 199.194.52.184 
        + "|" // 允许IP和DOMAIN（域名）
        + "([0-9a-z_!~*'()-]+\\.)*" // 域名- www. 
        + "([0-9a-zA-Z][0-9a-zA-Z-]{0,61})?[0-9a-zA-Z]\\." // 二级域名 
        + "[a-z]{2,6})" // first level domain- .com or .museum 
        + "(:[0-9]{1,4})?" // 端口- :80 
        + "((/?)|" // a slash isn't required if there is no file name 
        + "(/[0-9a-zA-Z_!~*'().;?:@&=+$,%#-]+)+/?)$"; 

	public void doValidate(Object value, Object[] args, ValidateResult result) {
			if (!((String)value).matches(urlRegExpr)) {
				sendError(_ERROR_, value, result);
			}
		}
}
